Might as well give some boost(s) to (Mega-)Rayquaza...
As well as Vigoroth and Hariyama?
Anyway...
Tropic storm field
"It's too dangerous to be outside!"
-Gets summoned by Tailwind and Rain being active on the field.
-Flying-types are grounded, using Flying-type moves causes the user to faint, except Hurricane.
-Hurricane, Leaf Tornado, Twister, Muddy Water, Whirlpool and Surf causes all the active pokemon to faint. (except if using Protect etc.)
-Water-moves (except the above) get a x1,5 power increase.
-The following moves get a x1,5 power increase: Thunder, Thunderbolt, Shock Wave.
-Thunder's accuracy is boosted to 90%.
-Perish song starts with the counter on 1.
-Soak changes all the active pokemons' type to Water.
-Razor Leaf, Magical leaf, Petal Blizzard, Petal Dance and Leaf Storm get additional Flying-type damage, Leaf storm also gets a power increase by x1,5.
-Lightningrod activates occasionally at the end of the turn (50% chance)
-The field gets terminated by: Sunny Day, Hurricane, Dig